The formation of a word from a sound associated with what is named. The word 'buzz' is an example of onomatopoeia because it imitates the sound of a bee.
A word that phonetically imitates, resembles, or suggests the sound that it describes. In comic books, onomatopoeia is often used to represent sounds like 'bang' and 'pow'.
The stylistic use of onomatopoeic words in speech or writing for rhetorical or poetic effect. The poet's heavy use of onomatopoeia makes the verses sound almost musical.